An international team of researchers, among them scientists from the Instituto de Astrofísica de Canarias (IAC), has confirmed the primitive origen of an old...
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NewsAstronomers find the origin of one of the oldest stars in the Milky Way
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TalkObserving the polarized microwave sky: 10 years of the QUIJOTE experiment
I will review the status of the QUIJOTE (Q-U-I JOint TEnerife) experiment, a project led from the IAC with the aim of characterising the polarisation of the...
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News2023 DZ2 asteroid will not collide with Earth, study finds
An international scientific team, in which researchers from the Instituto de Astrofísica de Canarias (IAC) participate, confirms that the asteroid, discovered...
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NewsA chromospheric resonance cavity in a sunspot mapped with seismology
Sunspots are intense collections of magnetic fields that pierce through the Sun’s photosphere, with their signatures extending upwards into the outermost...
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NewsA crucial test for astronomical spectrograph calibration with frequency combs
Laser frequency combs (LFCs) are well on their way to becoming the next-generation calibration sources for precision astronomical spectroscopy. This development...
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NewsA dense ultra-short period sub-Earth planet transiting a nearby red dwarf star
Ultrashort-period (USP) exoplanets have orbital periods shorter than 1 day. Precise masses and radii of USP exoplanets could provide constraints on their...
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NewsA dwarf irregular galaxy caught in transition
Leo I is one of the youngest dwarf spheroidal (dSph) galaxies in the Local Group. Its relative isolation, extended and complex star formation history (SFH), and...
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NewsA giant planet candidate transiting a white dwarf
Astronomers have discovered thousands of planets outside the Solar System, most of which orbit stars that will eventually evolve into red giants and then into...
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NewsA nearby transiting rocky exoplanet that is suitable for atmospheric investigation
We detect a transiting rocky planet with an orbital period of 1.467 days around the nearby red dwarf star Gliese 486. The planet Gliese 486 b is 2.81 Earth...